مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1832
Musnad of al-Fadl bin 'Abbas & narrating from the Prophet
It was narrated from Ibn "Abbas or from al-Fadl bin "Abbas, or by one of them from the other, that he said: The Prophet (ﷺ) said: "Whoever wants to do Hajj, let him hasten to do it, for he may lose his mount or he may fall sick or be faced with some need.”
Musnad Ahmad 1833A Hasan hadeeth, this is a Da'if isnad]